Reading on supplements
Short reads by Tatiana Zabalueva — a nutritionist with 10 years of practice. No fluff, no Wikipedia.

MK-4 vs MK-7: Which Vitamin K2 to Choose (Nutritionist Explains)
We explain the difference between K2 forms (MK-4 and MK-7): which absorbs better, how to take, what to choose for a daily formula — nutritionist Tatiana Zabalueva answers.
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Five questions about sleep, energy and nutrition — and I'll tell you which formula or stack fits your day.